/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package war;

import ejb.NewEntity;
import ejb.NewSessionBeanLocal;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;
import javassist.bytecode.Descriptor;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Ilo
 */
public class Controller extends HttpServlet {
    @EJB
    private NewSessionBeanLocal newSessionBean;

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            out.println("<html>");
                out.println("<head>");
                    out.println("<title>Servlet Controller</title>");            
                out.println("</head>");
                out.println("<body>");
                    out.println("<h1>Add</h1>");
                    out.println("<form>");
                        out.println("Testo: <input type='text' name='testo'>");
                        out.println("<input type='submit' value='Add'>");
                    out.println("</form>");
                    
                    out.println("<h1>List</h1>");
                    for(Iterator it = newSessionBean.findEntity().iterator(); it.hasNext();) {
                        NewEntity e;
                        e = (NewEntity) it.next();
                        out.println(e.getTesto() + "<br>");
                    }
                    
                    if(request.getParameter("testo") != null) {
                        newSessionBean.addEntity(request.getParameter("testo"));
                    }
                out.println("</body>");
            out.println("</html>");
        } finally {            
            out.close();
        }
    }

    
    
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
